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Finding the Fourth Proportional to 15,923.70, 23,852.70 and 9,329.90

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Solution

The fourth proportional to 15,923.70, 23,852.70 and 9,329.90 is: 13,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.70 : 23,852.70 = 9,329.90 : x
  2. Step 2: Convert to fraction form
    15,923.70/23,852.70 = 9,329.90/x
  3. Step 3: Cross multiply
    15,923.70x = 23,852.70 × 9,329.90
  4. Step 4: Simplify right side
    15,923.70x = 222,543,186.47
  5. Step 5: Solve for x
    x = 222,543,186.47/15,923.70
  6. Step 6: Final answer
    x = 13,975.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.